Aluminum Billet Clamps 1.75,1.87, & 2.0" (4 pack) Anodized grey billet clamps made for different diameter roll cages. The package includes 4 grey billet clamps, 4 black stainless bolts .5", 4 black stainless bolts 2.25", 4 black stainless washers. Multiple ways to mount what ever you need with the use of two threaded holes. Please choose the size that you want. Precise fitment without any vibrations. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov